Sessile, cormous herb, up to 70 mm high. Leaves erect; blade narrowly ovate, up to 420 mm long. Flowers: bracts herbaceous, green; perianth with blade 9-15 mm long, concave at base, claw 9-15 mm long, ± as long as blade, purple; Jul.
Sessile, cormous herb. Leaves elongate-lanceolate, crowded. Claw of perianth segments as long as blade. Capsule oblong. Flowers white at base, green at apex.